TPS546C20ARVFT

Voltage Regulators - DC DC Switching Regulators Overview

The TPS546C20ARVFT is a synchronous buck converter from Texas Instruments, housed in a 40-LQFN package. It supports an input voltage range of 4.5 V to 18 V and delivers up to 35 A output current. The adjustable output voltage spans from 350 mV to 5.5 V. Operating with a switch frequency between 200 kHz and 1 MHz, it features PMBus interface capabilities. The device operates within a junction temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side power MOSFETs for compact design
• Supports digital control via PMBus interface
• Includes programmable switching frequency and soft-start
• Features comprehensive protection against overcurrent and thermal overload

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for processors and FPGAs
• Telecommunications infrastructure power distribution
• Industrial equipment power management systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'RVFT' corresponds to the required tape and reel quantity and moisture sensitivity level. Confirm that the 40-pin LQFN footprint matches the target PCB layout. Ensure the design accounts for the thermal requirements associated with 35 A continuous operation.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when high current density and digital configurability are required. The wide input range accommodates various bus voltages. The PMBus interface allows for real-time monitoring and adjustment, suitable for complex power sequencing needs in dense electronic assemblies.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TPS546 family of high-current synchronous buck converters. It shares architectural similarities with other members like the TPS546D24 but differs in maximum current rating and package configuration. The family emphasizes efficiency and digital control integration for modern power management applications.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include TPS546C20ARVR or TPS546C20ARVT depending on packaging preference. For pin-compatible alternatives with different current ratings, consider TPS546D24 series devices.